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Uniswap V3’s Collect events can mix returned liquidity with earned fees. Here’s why explorers look “misleading,” and how semantic decoding fixes it.

Uniswap V3’s “Collect” Is Correct — and Still Misleading

This post explains why decoding Uniswap V4 is fundamentally harder than V2 and V3, and what changes at the data layer.

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SudoDocs tackles documentation drift with AI-powered doc validation, earning a 70 Proof of Usefulness score for keeping docs aligned with fast-moving code.

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UniVideo combines video comprehension, creation, and editing into a single system built on established components—here’s what it does and how to test it.

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<p><em>This is a Plain English Papers summary of a research paper called <a href="https://www.aimodels.fyi/papers/arxiv/rewarding-rare-uniqueness-aware-rl-creative-problem?utm_source=hackernoon&utm_medium=referral">Rewarding the Rare: Uniqueness-Aware RL for Creative Problem Solving in LLMs</a>. If you like these kinds of analysis, join <a href="https://www.aimodels.fyi/?utm_source=hackernoon&utm_medium=referral">AIModels.fyi</a> or follow us on <a href="https://x.com/aimodelsfyi">Twitter</a>.</em></p>

<h2>The exploration collapse problem</h2>
<p>When you train a language model with reinforcement learning to solve math problems, something counterintuitive happens. You reward correct answers. The model finds one reliable path to correctness and then, essentially, stops exploring. Every rollout becomes a slight variation on the same theme. Pass@1 looks great, you're solving problems consistently. But pass@k stalls. If you sample a hundred times, you don't get a hundred different solutions, you get a hundred versions of the same solution.</p>
<p>This is exploration collapse, and it reveals something broken about how we've been thinking about RL for language models. The standard approach assigns rewards at the token level, during generation. When a token contributes to a correct final answer, it gets reinforced. Over time, the policy learns the sequence of tokens that most reliably produces reward. Other valid paths exist, but they don't have the same reinforcement history. They don't accumulate confidence in the same way. So the policy narrows.</p>
<p>The tension is real. A model that finds one good strategy reliably is, from a pass@1 perspective, doing exactly what you asked. But from a practical standpoint, it's wasted potential. If you're willing to sample multiple times, a diverse model should give you more chances to find a correct answer. Instead, you get redundancy. This gap between what the metric measures and what the capability should provide is where the problem lives.</p>
<h2>Why we measure the wrong thing</h2>
<p>The implicit assumption driving most RL work on language models is that better local rewards create better global diversity. Train each token to make good decisions, and the rollouts will naturally be diverse. This is intuitive. It's also false.</p>
<p>What actually happens is that good local decisions reinforce themselves. A token choice that contributes to a correct answer gets positive signal. The next time the model needs to solve a similar problem, that token choice is slightly more likely. And the time after that, even more likely. The gradient is always pointing toward the same attractor. The policy doesn't fail to explore, it explores efficiently right into a single basin.</p>
<p>The root cause isn't randomness or insufficient training. It's a fundamental mismatch between what we measure and what we want. We measure token-level behavior and hope for rollout-level diversity. These aren't the same thing. Token diversity (different word choices) doesn't guarantee strategy diversity (different approaches). A model can paraphrase the same method infinitely while exploring nothing new.</p>
<p>Understanding this mismatch is crucial because it means the fix can't be marginal. You can't schedule exploration differently or add entropy regularization and solve this. You need to change what's actually being rewarded at the rollout level. You need to make rollout-level novelty an explicit part of the objective.</p>
<h2>Uniqueness-aware reinforcement learning</h2>
<p>The core idea is straightforward: reward correct solutions that use rare strategies more than correct solutions that repeat common strategies. Make the policy internalize that finding a novel correct answer is more valuable than finding a redundant one.</p>
<p>The method operates in concrete steps. First, generate many rollouts for a single problem. Second, use a language model to cluster these rollouts by their high-level reasoning strategy. Not by their final numbers or notation, but by the logical approach underneath. One cluster for solutions that use substitution, another for solutions that use geometric reasoning, another for calculus-based approaches. Third, calculate cluster sizes. A strategy discovered by 2 out of 100 rollouts is rare. A strategy discovered by 50 out of 100 is common. Finally, reweight the reward signal inversely with cluster size.</p>
<p>The advantage function, which tells the policy how much better this rollout was compared to average, gets scaled down for solutions in large clusters and scaled up for solutions in small clusters. A correct solution using a rare strategy becomes worth significantly more reward than a correct solution using a dominant strategy.</p>
<p>This directly targets the incentive structure. Instead of hoping diversity emerges as a side effect of token-level training, the policy now has an explicit reason to explore: rare correct strategies are literally more rewarding. The objective shifts from "find any correct answer" to "find answers that use approaches you haven't found yet."</p>
<h2>Clustering strategies the right way</h2>
<p>There's a practical problem lurking here. How do you define "high-level strategy"? Cluster too coarsely, and you lump genuinely different approaches together. Cluster too finely, and you treat superficial variations (using variable x versus y) as fundamentally different strategies. Cluster at the wrong granularity and the reward signal falls apart.</p>
<p>The paper uses a language model as the judge. Rather than hand-coding what counts as a distinct strategy, you ask an LLM to read two solutions and determine whether they use the same high-level approach. This is surprisingly effective. Language models are good at semantic equivalence. Two solutions using the same logical steps but different notation get recognized as similar. Two solutions using genuinely different approaches get recognized as different.</p>
<p>This sidesteps a major failure mode. Rigid clustering based on syntactic features would miss important distinctions or over-subdivide the space. Using an LLM judge provides flexibility while keeping the clustering semantic and interpretable. The granularity emerges naturally from what the model understands as a "different approach," rather than being imposed by hand.</p>
<h2>Measuring what matters</h2>
<p>The validation spans three domains: mathematics, physics, and medical reasoning. The metrics matter because they tell different stories.</p>
<p>Pass@1 measures single-shot performance. The model gets one try. This shouldn't degrade, because nothing about uniqueness-aware RL should break basic competence.</p>
<p>Pass@k measures the probability that at least one correct answer appears in k samples. This is what should improve. If the policy becomes more diverse, sampling more times should yield more correct answers.</p>
<p>AUC@K is the area under the pass@k curve as you vary k across a sampling budget. This is the most stringent test. It asks whether the approach provides consistent, sustained gains as you sample more, not just a spike at some particular k value.</p>
<p>The expected pattern is that uniqueness-aware RL improves pass@k and AUC@K while maintaining or slightly improving pass@1. This happens because the method doesn't change what "correct" means. It just makes correct solutions using rare strategies more rewarding. The policy becomes better at discovering multiple valid approaches while remaining competent on the first shot.</p>
<p>These results validate the core hypothesis: exploration collapse was a real structural problem, and addressing it at the rollout level works. The gains aren't marginal tweaks to an already-working system. They're evidence that the training objective shapes what kinds of solutions get discovered and reinforced, and changing that objective unlocks genuinely different behavior.</p>
<h2>Broader context in language model training</h2>
<p>This work connects to larger questions in how we train language models. There's a growing body of research on how the structure of the reward signal shapes what models learn. Work on <a href="https://aimodels.fyi/papers/arxiv/outcome-based-exploration-llm-reasoning?utm_source=hackernoon&utm_medium=referral">outcome-based exploration in LLM reasoning</a> has shown that focusing on final correctness rather than process changes what strategies emerge. Similarly, research on <a href="https://aimodels.fyi/papers/arxiv/whatever-remains-must-be-true-filtering-drives?utm_source=hackernoon&utm_medium=referral">how filtering affects exploration</a> suggests that the data we select during training cascades into the policies we end up with.</p>
<p>The contribution here is precise and implementable. It's not a claim that language models are "creative" in any deep sense. Rather, it shows that the training objective matters enormously for whether diverse solutions get discovered. If you reward only correctness, you get convergence. If you reward correct and rare, you get exploration. The difference is the granularity at which you assign the reward signal.</p>
<p>There's also a connection to practical efficiency in <a href="https://aimodels.fyi/papers/arxiv/enhancing-efficiency-exploration-reinforcement-learning-llms?utm_source=hackernoon&utm_medium=referral">exploration techniques for reinforcement learning with LLMs</a>. Rather than adding randomness or entropy bonuses that might degrade performance, uniqueness-aware RL aligns exploration with actual utility. The model explores toward solutions that are both correct and different. It's exploration that's structurally incentivized, not imposed from outside.</p>
<p>The elegance of the approach lies in its simplicity. You don't need new architectures or complex exploration schedules. You need one change: shift from rewarding token behavior to rewarding rollout-level novelty. That single shift addresses a real problem at its source, and the evidence suggests it works across diverse domains consistently.</p>

<hr/><p><strong>Original post:</strong> <a href="https://www.aimodels.fyi/papers/arxiv/rewarding-rare-uniqueness-aware-rl-creative-problem?utm_source=hackernoon&utm_medium=referral">Read on AIModels.fyi</a></p>

Rewarding the Rare: How Uniqueness-Aware RL Fixes Exploration Collapse

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A data-driven study shows how optimal spread strategies can improve Uniswap v3 liquidity provider returns—if gas costs and scale are managed.

Can Math Fix Uniswap v3 LP Losses? New Strategy Says Yes, but With a Catch

As unicorn hype fades, lean AI-powered startups are prioritizing profitability, speed, and sustainability over billion-dollar valuations.

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Independent restaurants can’t rely on memory anymore. Learn how unified CRM systems transform guest data into consistent, personalized hospitality at scale.

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Learn how to uninstall problematic Windows 11 updates using Settings, Control Panel, Command Prompt, PowerShell, or troubleshooting tools. 

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Universal properties promise abstraction, but localisation shows where they fail—especially in formal proofs. Learn why algebraic geometry needs concrete models

Universal Properties In Algebraic Geometry

A technical guide to building a Universal Messaging Highway that connects humans, machines, and AI agents through a unified, AI-enhanced message format.

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Adaptive quantization for ViTs: IGQ-ViT improves accuracy by handling channel and token scale variations with smarter grouping.

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Hands-on review of ChatLLM Teams by Abacus.AI: unify chat, docs, code, images, and workflows to cut tool sprawl, costs, and context switching.

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Uniswap V3’s “Collect” Is Correct — and Still Misleading

Why Decoding Uniswap V4 is Harder Than V2 & V3

SudoDocs Earns a 70 Proof of Usefulness Score by Building an AI-Powered Unit Test for Documentation

UniVideo Wants to Be the One Model That Understands, Generates, and Edits Video

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How to Uninstall Windows 11 Updates When a Patch Breaks Your System

Shankar Manapragada Unites Operational Excellence Through Food Services, Talent and Technology

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This Python “Auto-Painter” Creates a New Universe Every Time You Run It

Can Math Fix Uniswap v3 LP Losses? New Strategy Says Yes, but With a Catch

The Unicorn Era Is Fading as Lean, Profitable AI Startups Take Over

Why I Fired Myself From Writing Unit Tests (And Hired an AI QA Lead)

The Unified Restaurant CRM: Why Independent Hospitality Brands Can’t Rely on Guesswork Anymore

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Universal Properties In Algebraic Geometry

Building the "TCP/IP" of Modern Messaging: Architecting a Universal Communication Highway

Avail Launches Nexus Mainnet, Unifies Liquidity Across Ethereum, Solana, EVMs

The Topology of Meaning: Towards a "Unified Field Theory" for Artificial Intelligence

Numerai Raises $30 Million Series C Led by Top University Endowments at $500 Million Valuation

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